When you shop for a cotton mock, it’s hard to know what kind of fabric you’re really getting. So you may wind up disappointed when the fabric starts to form pill balls or loses shape after several washings. Not here. We use the same fabric as in our Supima Polos: interlock knit using 100% Supima® cotton, considered America’s finest. Supima fibers are longer and stronger, so expect this mock to give you years of long-lasting wear. And our just-right fit works under a sweater or all by itself.